On Feb. 1, a comet called C/2022 E3 (ZTF) will pass by Earth for the first time in 50,000 years, meaning the last time it cruised by our planet, Homo sapiens were still sharing the planet with Neanderthals. And according to calculations from astronomers, the comet will never come back.-
[livescience.com]
Also this-
[science.howstuffworks.com]